1. Put in a small saucepan of butter and sour cream, mix with water and heat on a small fire, but do not let it boil.2. In the sifted flour, break the egg, mix it with the rest of the ingredients and cool with sour cream oil. Knead the dough until it stops sticking to your hands.3. Give the dough to rise (about twice), then strip it into equal parts-balls — this will be your bunnies.4. Put them on a baking sheet covered with baking paper, and form the ears with scissors, as shown in the picture. Eyes to make with a toothpick.5. Put in the oven and bake at 190 ° C until golden brown (about 15 minutes).